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Engineering
Electrical Engineering Forum
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Join the expert discussion on electrical engineering topics. Topics like the uses of electricity and the equipment for power generation. Circuits, Fiber, Signals and Systems, Semiconductor Devices...
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Title
Phase to Phase Fault in 480v Three Phase Induction Motor - Cause?
Mar 16, 2009
Replies
1
Views
9K
What are the options for long range distance sensors?
Mar 16, 2009
Replies
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Question about wiring from a power supply
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Can anyone explain this self healing mystery.
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Permanent vs. Field Winding
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Understanding BJTs: A Beginner's Guide
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Best software for low voltage single line diagram design and calculation
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Understanding the Working Principle of Energy Saving Devices
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Magnetic 'Spin Battery' Announced
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Calculate Battery Life with 50 Amp Hour Battery
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Connecting 3~ Phase 415V Pump to Single 250V - Checking Motor Windings
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2K
Confirm Gate, Drain, Source in Image
Mar 14, 2009
Replies
1
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13K
Installation of Electric Generator
Mar 13, 2009
Replies
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How Can I Increase the Gauss Level of My Homemade Magnetic Pulser?
Mar 13, 2009
Replies
1
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2K
Can a common 9V power supply be used as a -9V supply?
Mar 13, 2009
Replies
2
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6K
Understanding BJT Emitter Resistance: Explained by Horowitz & Hill
Mar 13, 2009
Replies
5
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14K
Two pm alternators in parallel query
Mar 13, 2009
Replies
5
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5K
Why Is Magnetic Hysteresis Loss Represented as Resistance in Equivalent Circuits
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Replies
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OP07 Op Amp Output Unexpectedly High Voltage
Mar 12, 2009
Replies
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Replacing Car Batteries with Capacitors for EV - Answers Here!
Mar 12, 2009
Replies
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11K
Query related to mobile phone charging
Mar 12, 2009
Replies
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Set-up time in digital circuits
Mar 11, 2009
Replies
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4K
Optimizing Data Filtering Techniques for Removing Gaussian Noise in ADC Readings
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Steps for calculating dc generator output potential
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How Do Heater Contactors and SSRs Control Heating Elements?
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Pollution from semiconductor fabrication
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4K
Define the term ‘’discrimination’’
Mar 11, 2009
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Convert LNA 433MHz Signal (21dB) to DC Voltage - Ryan's Question
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Square Wave Frequency Doubler using Op-Amps
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14
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11K
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9K
Is Manufacturing the Key Challenge for Alternative Energy Compared to Oil?
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Replies
21
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5K
Op-amp integrator and differentiator in real-life
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18K
Using Different Types Of Batteries
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General query: Parallel, series, voltage division, etc
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Replies
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Make Low Frequency Radio: Where to Begin
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Building Micro Tesla Coils with DC Supply
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10K
Solving PWM Issues with TL494 - Get 50% Duty Cycle
Mar 9, 2009
Replies
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Servo amplifier to control dc motor
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6K
Electrical and magnetic field question
Mar 9, 2009
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2K
How do I create a 0-3V TTL waveform at 20 Hz in Capture (Pspice)?
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4K
Capacitor charging loss (Not the two capacitor issue.)
Mar 8, 2009
Replies
46
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30K
How can I incorporate a Li-ion CC/CV circuit with an LM317 to charge batteries?
Mar 8, 2009
Replies
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Pumped and source synchronous transmission
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Replies
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Making a DC Motor: Is Magnetic Rod Needed
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What is Rated insulation voltage for relay?
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9K
Electrical bonding in high voltage line maintenance
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Can electric vehicles have battery packs exchanged at gas stations?
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Could Electromagnet Vibration Indicate a Current Limit in the Power Supply?
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Replies
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Understanding Common Mode Rejection Ratio (CMRR) in Op-Amps
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Replies
9
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3K
How Can I Accurately Track 6DOF in a Small, Budget-Friendly Device?
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Replies
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2K
How can I design a 30-second lag time timer using a 555 timer?
Mar 6, 2009
Replies
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Neutral Wires: Potential and Safety
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Replies
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Adding/Subtracting DC Offset to Sine Wave: Circuit Needed
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Replies
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21K
Magnetic Induction Experiment Suggestion
Mar 5, 2009
Replies
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Why Do Some Voltmeters Not Show 10V at Full Scale on a Potentiometer?
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Replies
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2K
Is there a good resource on the Seebeck effect
Mar 5, 2009
Replies
1
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2K
ELECTRONIC Circuits editor and Simulator
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How Can You Determine the Capacitance Needed for a Single Phase Capacitor Motor?
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JK FF: Why Duty Cycle is Always 50%?
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2
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How Does Load Impact Electric Motor Efficiency and Speed?
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3K
Understanding Voltage, Amperage, and Wattage for DC Motors at Low RPMs
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Designing a Circuit with Op-Amp on PCB: Reasons & Refs
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Understanding the Q-Factor of Inductors in Resonant Systems
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Replies
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24K
I need electrical comparison help, anybody?
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Replies
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Off-Grid Energy Options & Subsidies
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Replies
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Can Lead Acid Batteries Be Used in Parallel for Optimal Performance?
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Replies
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Can You Use 220V MR16 Bulbs Without a Power Supply?
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Replies
2
Views
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Charge Amplification - Tips & Techniques for Limited Access
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Replies
18
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Help what will i study in electrical engineering
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Replies
2
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2K
How electricity could be both AC and DC?
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Replies
9
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3K
How Does a Step Up Transformer Illustrate the Conservation of Energy?
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Replies
2
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Bring Speedo Up in Ford Mondeo with Frequency Doubler
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Odd-Numbered Binary Inputs & XOR Gates
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Find Fourier Series of f(t)=2u(t)-2u(t-2) with T=4s | Step Function Question
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Replies
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Intrinsic resistance of a transistor
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Replies
2
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11K
Where to find fixed power supplies of: -9V, +9V, and/or -5V
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Replies
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Convert DC to AC: Power Electric Chair on AC Only
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Replies
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Resistance , current and temperature
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How Can I Generate Power in a Spinning Juggling Club?
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Microcontroller to Laptop through RS232-USB Converter
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Finding the Right VCR/VDR or VCO to Make a Variable Length Pulse
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Closing a Switch with Microcontroller: Simple Answer
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Tube Furnace Fabrication: Any Tips or Recommendations?
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Calculating Power Output with PWM and 1ohm Load
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Need help to gradually ramp up/down intensity of LED at power-on/power-off
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Making a non pressurized water heater
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Sound Engineering Solutions for Robert's Experiment
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Gates - Basic question from new student
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How Do You Calculate Electrical Field Strength in Kapton Insulated Cables?
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Longitudinal waves in circuits?
Feb 24, 2009
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Comparing Op-Amp 741 and Latest Op-Amps
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Open Source Humanitarian Demining Project
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Capacitor question( what do prioritize to maximize current in a RC circuit)
Feb 23, 2009
Replies
1
Views
3K
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